<!DOCTYPE html>
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<head>
    <meta charset="utf-8">
</head>
<body>
    <script src="https://unpkg.com/text-encoding@0.6.4/lib/encoding-indexes.js"></script>
    <script src="https://unpkg.com/text-encoding@0.6.4/lib/encoding.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"></script>
    <script src="deps/jsSHA/dist/sha512.js"></script>
    <script type="text/javascript" src="https://cdn.rawgit.com/ricmoo/aes-js/e27b99df/index.js"></script>
    <script type="text/javascript" src="derive-keys-bundle.js"></script>    
    <script type="text/javascript">
        if (!Math.imul) Math.imul = function(a, b) {
          var aHi = (a >>> 16) & 0xffff;
          var aLo = a & 0xffff;
          var bHi = (b >>> 16) & 0xffff;
          var bLo = b & 0xffff;
          // the shift by 0 fixes the sign on the high part
          // the final |0 converts the unsigned value into a signed value
          return ((aLo * bLo) + (((aHi * bLo + aLo * bHi) << 16) >>> 0) | 0);
        };

        if (!Math.clz32) Math.clz32 = (function(log, LN2){
          return function(x) {
            // Let n be ToUint32(x).
            // Let p be the number of leading zero bits in 
            // the 32-bit binary representation of n.
            // Return p.
            var asUint = x >>> 0;
            if (asUint === 0) {
              return 32;
            }
            return 31 - (log(asUint) / LN2 | 0) |0; // the "| 0" acts like math.floor
          };
        })(Math.log, Math.LN2);
    </script>
    <script type="text/javascript" src="../lib/olm/olm_legacy.js"></script>
    <script type="text/javascript">
        // sample data from account with recovery key
        const ssssKeyAccountData = {
  "type": "m.secret_storage.key.le4jDjlxrIMZDSKu1EudJL5Tc4U5qI0d",
  "content": {
    "algorithm": "m.secret_storage.v1.aes-hmac-sha2",
    "iv": "YPhwwArIUTwasbROMFd1PQ==",
    "mac": "khWXeBzKtZi8SX6I7m/9yPoLB1yv1u9l+NNi6WF4+ek="
  }
};
    const megolmBackupKeyAccountData = {
  "type": "m.megolm_backup.v1",
  "content": {
    "encrypted": {
      "le4jDjlxrIMZDSKu1EudJL5Tc4U5qI0d": {
        "iv": "PiqYdySj9s4RsaLc1oDF1w==",
        "ciphertext": "62fjUs1xkF3BvqVEvAEoDH9jcYiotkcJHG/VNtzSrPBlrmOYQyPA93L2rKo=",
        "mac": "vtq+kEg5XaRdw08aPiQi7+w9qUiDCQKo/jKNTvrN4ho="
      }
    }
  }
};

const backupInfo =  {
    "algorithm": "m.megolm_backup.v1.curve25519-aes-sha2",
    "auth_data": {
        "public_key": "tY/jSdfy2q1pS8Ux+LP8xr/RMn9NDElwofH+E5sFG38",
        "signatures": {
            "@bruno-test4s2:matrix.org": {
                "ed25519:KTLGZUJCYZ": "YPuzpLo4OZL5+HQTkbDnUKpIuCmL50Q7RnMs9cRfKqyS+CMPm0RBU1ttPO6XOZ+TjZ4VThXU50LUkmpJiKM+Aw",
                "ed25519:l17fdsfeS7qUKIYzgx3LxIcHnjPM00+Ge5dTk7Msy04": "epDo+d9foXXcnXChZaEOCKNYzofOMBXQF3FCMDJ52hxvxh9K1w+2zOOAwWEKOts88gubgIsdRQedkuhuIm2LCg"
            }
        }
    },
    "count": 1,
    "etag": "1",
    "version": "1"
};

const sessionResponse = {
    "first_message_index": 0,
    "forwarded_count": 0,
    "is_verified": true,
    "session_data": {
        "ciphertext": "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",
        "ephemeral": "z0JE6swJZbrmRYOWGvEI6zhIzoJ57lhzp1uujVS2jUs",
        "mac": "+AAASqA+4U8"
    }
};
const keyId = "le4jDjlxrIMZDSKu1EudJL5Tc4U5qI0d";
        // sample data with account with recovery passphrase
        // const ssssKeyAccountData = 
        // {
        //   "type": "m.secret_storage.key.HB6AKfUD4avkZfPfyjcJ6iJPWDp4f9WM",
        //   "content": {
        //     "algorithm": "m.secret_storage.v1.aes-hmac-sha2",
        //     "passphrase": {
        //       "algorithm": "m.pbkdf2",
        //       "iterations": 500000,
        //       "salt": "tfY5mgvQBr3Gd5Dy1IBiKf7fLquL4Y9O"
        //     },
        //     "iv": "xitm4hxsqagkbyEmXj0tUw==",
        //     "mac": "nagOYz7FKrdlFEKM9ij78th0O2p7YVGgl+p0LHr4EBE="
        //   }
        // };

        // const megolmBackupKeyAccountData = {
        //   "type": "m.megolm_backup.v1",
        //   "content": {
        //     "encrypted": {
        //       "HB6AKfUD4avkZfPfyjcJ6iJPWDp4f9WM": {
        //         "iv": "HpzOY5DxYFJCxw5Vi6BBOQ==",
        //         "ciphertext": "u1TJjaaGKVDGExg9hu2fIUZ0gjToMcMReyhn4nsXgnhm7Dvz6E/4p+nSF3w=",
        //         "mac": "08ckDbQK9wB2jiE4n4sfp2sw83q/0C2/gEz2LuHMEPg="
        //       }
        //     }
        //   }
        // };
        // const backupInfo = {
        //     "algorithm": "m.megolm_backup.v1.curve25519-aes-sha2",
        //     "auth_data": {
        //         "public_key": "Vw2cwhbxFg/GQ2rr4VRIQ+Oh74lP7IxY6oN4R9q992k",
        //         "signatures": {
        //             "@bruno-test4s:matrix.org": {
        //                 "ed25519:XAIKJXBCNZ": "AFBp1T2x8hyPSi2hCHg6IzNy67RxULj3/7LYZgVT3Ruz49v5h1+jAScTxZj5jrItxo2LCzSORH+yABHjPIqOBQ",
        //                 "ed25519:lukepZkTmPcJS6wCl12B0tIURIO8YbMd5QJLf8UOugI": "a1ZJa+1+p9Gm5Po1B619ZDy4xidHmLt82vXVPH7vWTjny1r3JI2iM4fB2qh8vEiASNlFyVrFx//gQrz9Y1IJBA"
        //             }
        //         }
        //     },
        //     "count": 1,
        //     "etag": "1",
        //     "version": "1"
        // };
        // const sessionResponse = {
        //     "first_message_index": 0,
        //     "forwarded_count": 0,
        //     "is_verified": true,
        //     "session_data": {
        //         "ciphertext": "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",
        //         "ephemeral": "wXBeLoazggBmFS0eiVY9H/qq5o1yt2/NIKWcq384EHc",
        //         "mac": "w3IfO5vL9Bc"
        //     }
        // };
        //const keyId = "HB6AKfUD4avkZfPfyjcJ6iJPWDp4f9WM";
        const cryptoDriver = new bundle.CryptoDriver((window.crypto || window.msCrypto).subtle);
        window.Olm.init().then(function() {
            bundle.deserializeSSSSKey("EsUH dBfj L7XF Kdej TNmK 2CdP R7NQ KnQH zA1o 8kDg piuJ QEZh", ssssKeyAccountData).then(function(ssssKey) {
            //bundle.deriveSSSSKey(cryptoDriver, prompt("passphrase"), ssssKeyAccountData).then(function(ssssKey) {
                // const ssssKey = new Uint8Array(32);
                // const bytes = [123, 47, 138, 15, 190, 69, 224, 204, 88, 246, 203, 65, 243, 234, 91, 17, 250, 107, 104, 51, 211, 252, 81, 67, 80, 191, 105, 208, 127, 87, 107, 231];
                // for (var i = bytes.length - 1; i >= 0; i--) {
                //     ssssKey[i] = bytes[i];
                // }
                console.log("ssssKey", ssssKey);
                bundle.decryptSecret(cryptoDriver, keyId, ssssKey, megolmBackupKeyAccountData).then(function(backupKeyBase64) {
                    console.log("backupKeyBase64", backupKeyBase64);
                    bundle.decryptSession(backupKeyBase64, backupInfo, sessionResponse).then(function(session) {
                        console.log("session", session);
                        alert(session.session_key);
                    });
                });
            });
        });
    </script>
</body>
</html>
 
